The Houghton Library copy is imperfect; title and imprint from ISTC.

Ascribed to Thomas, von Erfurt; previously ascribed to John Duns Scotus.

Signatures: a⁸ b-c⁴ d⁸ e⁴ f⁸.

Initial spaces.

Hain-Copinger, 424

ISTC (CD-ROM, 1998 ed.), it00356930

Campbell, 74

Purchase; Sotheby's; October 1963; unacc.; S.A.E. Morse fd.; bought with *63-1462F-1479F.

From the library of the Viscounts Clifden at Lanhydrock House, Cornwall. For a history of the library at Lanhydrock and the compilation of this album, see: Mark Purcell, "The Library at Lanhydrock," The Book Collector, v. 54, no. 2 (2005), p. 195-227.

Imperfect: leaves e1-4 only; wanting most of lines 30-36 and some other text on e4.

Without rubrication.

Tipped onto fol. 30 of an album of fragments removed from bindings (presumably Oxford bindings of the late 16th-early 17th centuries) of books in the library formed by Hannibal Gamon.

Bound in late 19th-century half tan sheep and brown cloth.